2556852270 has 128 divisors (see below), whose sum is σ = 7339769856. Its totient is φ = 557352576.

The previous prime is 2556852257. The next prime is 2556852299. The reversal of 2556852270 is 722586552.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2351667 + ... + 2352753.

It is an arithmetic number, because the mean of its divisors is an integer number (57341952).

Almost surely, 2^2556852270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2556852270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3669884928).

2556852270 is an abundant number, since it is smaller than the sum of its proper divisors (4782917586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2556852270 is a wasteful number, since it uses less digits than its factorization.

2556852270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614.

The product of its (nonzero) digits is 336000, while the sum is 42.

The square root of 2556852270 is about 50565.3267565829. The cubic root of 2556852270 is about 1367.4198458635.

The spelling of 2556852270 in words is "two billion, five hundred fifty-six million, eight hundred fifty-two thousand, two hundred seventy".